| <!DOCTYPE HTML> |
| <title>CSS Test (Transforms): 3D Rendering Context following DOM Tree (fixed positioning)</title> |
| <link rel="author" title="L. David Baron" href="https://dbaron.org/"> |
| <link rel="author" title="Google" href="http://www.google.com/"> |
| <link rel="help" href="https://drafts.csswg.org/css-transforms-2/#3d-rendering-contexts"> |
| <meta name="assert" content="Fixed positioned elements participate in 3D Rendering Contexts based on their parent, not their containing block."> |
| <link rel="match" href="reference/green.html"> |
| |
| <style> |
| |
| div { |
| width: 100px; |
| height: 100px; |
| } |
| |
| .cb { |
| transform-style: preserve-3d; |
| transform: translateX(0); |
| background: red; |
| position: relative; |
| } |
| |
| .parent { |
| } |
| |
| .abspos { |
| position: fixed; |
| top: 0; |
| left: 0; |
| /* Since this element is not in the 3D Rendering Context, this translation |
| does not put it above the <div class="sibling">. */ |
| transform: translateZ(20px); |
| background: red; |
| } |
| |
| .sibling { |
| position: absolute; |
| top: 0; |
| left: 0; |
| transform: translateZ(10px); |
| background: green; |
| } |
| |
| </style> |
| |
| <p>Pass if there is NO red below:</p> |
| |
| <div class="cb"> |
| <div class="parent"> |
| <div class="abspos"> |
| </div> |
| </div> |
| <div class="sibling"> |
| </div> |
| </div> |